package ch6;

public class Arr1 {

	public static void main(String[] args) {
		double ar[] = new double[30];
		int[] a2;
		a2 = new int[10];
		ar[0] = 99.8;
		ar[1] = 86.5;
		ar[29] = 80;
		System.out.println(ar[0]);
		// double d=ar[0];
		ar[0] *= 5;
		ar[1] = ar[1] + 2;
		System.out.println(ar[0] + "," + ar[1]);
		// System.out.println(ar[-4]);
		int a3[] = new int[2100000000];

	}

}
